package com.itheima_06;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class ListDemo {
    public static void main(String[] args) {
        //创建List集合对象
        List<Student> list = new ArrayList<Student>();

        //创建学生对象
        Student s1 = new Student("林青霞",30);
        Student s2 = new Student("张曼玉",35);
        Student s3 = new Student("王祖贤",33);

        //把学生添加到集合中
        list.add(s1);
        list.add(s2);
        list.add(s3);

        //迭代器：集合特有的遍历方式
        Iterator<Student> it = list.iterator();
        while (it.hasNext()) {
            Student s = it.next();
            System.out.println(s.getName()+","+s.getAge());
        }
        System.out.println("------------------------------");

        //普通for：带有索引的遍历方式
        for (int i=0;i<list.size();i++){
            Student s = list.get(i);
            System.out.println(s.getName()+","+s.getAge());
        }
        System.out.println("------------------------------");

        //增强for：最方便的遍历方式
        for (Student s : list){
            System.out.println(s.getName()+","+s.getAge());
        }

    }
}
